CN203782165U - Tapping machine drilling tool - Google Patents
Tapping machine drilling tool Download PDFInfo
- Publication number
- CN203782165U CN203782165U CN201420164208.2U CN201420164208U CN203782165U CN 203782165 U CN203782165 U CN 203782165U CN 201420164208 U CN201420164208 U CN 201420164208U CN 203782165 U CN203782165 U CN 203782165U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- drilling tool
- taphole
- drilling machine
- pilot hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 168
- 238000010079 rubber tapping Methods 0.000 title abstract 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model discloses a tapping machine drilling tool. The tapping machine drilling tool comprises a sleeve and a drill rod, wherein a connecting rod is connected between the sleeve and the drill rod, the connecting rod is fixedly connected with the drill rod, a U-shaped assembly hole is formed in the end of the sleeve connected with the connecting rod, and the assembly hole comprises a first axial hole extending along the axial direction from the end surface of the sleeve, a circumferential hole extending along the circumferential direction from the tail end of the first axial hole and a second axial hole which extends along the axial direction from the tail end of the circumferential hole to the end surface of the sleeve and does not penetrate through the end surface; an assembly protrusion matched with the assembly hole is radially formed in the end of the connecting rod connected with the sleeve, so that the assembly protrusion can move along the assembly hole. By adopting the tapping machine drilling tool disclosed by the utility model, the time and labor required for replacing the tapping machine drilling tool are reduced, and the drill rod is prevented from being easily separated from the sleeve due to various accidents.
Description
Technical field
The utility model relates to the metallurgical supporting standby field of blast furnace, relates in particular to a kind of taphole drilling machine drilling tool.
Background technology
Taphole drilling machine is a kind of conventional equipment in blast furnace metallurgy industry, and wherein, taphole drilling machine drilling tool mainly comprises drilling rod (one end is fixed with drill bit) and for sleeve of jointed rod and drive shaft etc.Taphole drilling machine drilling tool under the drive of drive shaft high speed rotating and in refractory mortar boring to complete opening operation, thereby emit high temperature metal liquid in blast furnace and scraps etc.Opening operation conventionally will be according to the condition of production, and in the time need to emitting a certain amount of high temperature metal liquid from blast furnace in process of production, operating personnel is by using taphole drilling machine drilling tool promptly to hole opening operation in refractory mortar.
Taphole drilling machine drilling tool is when opening operation, because drilling rod and drill bit are subject to the effect of turning round the repeated stresses such as pressure, bending and friction in hot environment, drilling rod and drill bit enter in iron mouth darker, temperature is higher, refractory mortar is harder, more difficult boring, damages greatlyr, so taphole drilling machine drilling tool needs frequent drilling rod and the drill bit changed.
When the not operation of taphole drilling machine drilling tool, loosening owing to occurring sometimes between drilling rod and sleeve, if operating personnel does not discover in the process that starts taphole drilling machine drilling tool, because the drilling rod in start-up course is not subject to axial force, so drilling rod may depart from due to centrifugal force when rotated from sleeve, thereby cause operating personnel's safety problem or damage production unit.
Utility model content
The purpose of this utility model is to provide a kind of taphole drilling machine drilling tool that can quick-replaceable drilling rod.
The purpose of this utility model is also to provide a kind of taphole drilling machine drilling tool that can prevent when the not operation of taphole drilling machine drilling tool that drilling rod from departing from.
For achieving the above object, the utility model provides a kind of taphole drilling machine drilling tool, comprise sleeve and drilling rod, between sleeve and drilling rod, be connected with union lever, union lever is fixedly connected with drilling rod, in the end being connected with union lever of sleeve, offer the pilot hole of U-shaped, described pilot hole comprises the first axial opening extending vertically from the end face of sleeve, from the end of the first axial opening, along the circumferential hole of circumferentially extending and from the end in circumferential hole, towards the end face of sleeve, extend and do not run through vertically the second axial opening of described end face, on the end being connected with sleeve of union lever, be radially provided with the fitting tab matching with described pilot hole, so that described fitting tab can be moved along described pilot hole.
Preferably, described pilot hole comprises a plurality of pilot holes, and the quantity of described fitting tab is corresponding with the quantity of described pilot hole.
Preferably, comprise two radially relative pilot hole and two fitting tabs that match with described two pilot holes respectively each other.
Preferably, described fitting tab have can be in pilot hole free-moving Arbitrary Shape Cross Section.
Preferably, when the operation of taphole drilling machine drilling tool, fitting tab is conflicted in the end in circumferential hole, and when the not operation of taphole drilling machine drilling tool, it is separated with sleeve to prevent union lever that fitting tab is positioned at the second axial opening.
Preferably, be also axially provided with installation projection on the end face of union lever, drilling rod is fixed by described installation projection and union lever.
According to the utility model, at tap hole of blast furnace, carry out in the process of opening operation, compare with traditional taphole drilling machine drilling tool and adopt the utility model taphole drilling machine drilling tool, in the process of changing, operation is comparatively simple, reduced and changed required time and the labor force of taphole drilling machine drilling tool, guaranteed that opening operation can complete in time.Meanwhile, when the not operation of taphole drilling machine drilling tool, the pilot hole of U-shaped can limit the partial dislocation of fitting tab, thereby can effectively prevent that union lever is separated with sleeve, has avoided because of loosening production problem and the safety problem causing that be connected between drilling rod and sleeve.
Accompanying drawing explanation
By the description of embodiment being carried out below in conjunction with accompanying drawing, these and/or other aspect of the present utility model and advantage will become clear and be easier to and understand, wherein:
Figure 1A is the schematic diagram of the drive shaft of the utility model taphole drilling machine drilling tool;
Figure 1B is the schematic diagram of the sleeve of the utility model taphole drilling machine drilling tool;
Fig. 1 C is the schematic diagram of the union lever of the utility model taphole drilling machine drilling tool;
Fig. 1 D is the schematic diagram of the drilling rod of the utility model taphole drilling machine drilling tool.
Label declaration:
10: drive shaft, 20: sleeve, 21: the first axial openings, 22: circumferential hole, 23: the second axial openings, 30: union lever, 31: fitting tab, 32: projection is installed, 40: drilling rod
Embodiment
Now embodiment of the present utility model is described in detail, its example shown in the accompanying drawings.Below with reference to the accompanying drawings embodiment is described to explain the utility model.
With reference to Figure 1A to Fig. 1 D, according to the drilling rod 40 of taphole drilling machine drilling tool of the present utility model, by sleeve 20 and union lever 30, be connected to the drive shaft 10 of taphole drilling machine.
According to embodiment of the present utility model, the taphole drilling machine drilling tool providing can comprise sleeve 20, drilling rod 40 and be connected to sleeve 20 and drilling rod 40 between union lever 30, in the end being connected with union lever 30 of sleeve 20, can offer the pilot hole of U-shaped, the end being connected with sleeve 20 of union lever 30 can radially be provided with the fitting tab 31 matching with the pilot hole of U-shaped, and sleeve 20 and union lever 30 interconnect by cooperatively interacting between pilot hole and fitting tab 31.Alternatively, the end face being connected with drilling rod 40 at union lever 30 also can axially be provided with installation projection 32, described drilling rod 40 can be fixed to union lever 30 by projection 32 is installed, and for example, installs between projection 32 and drilling rod 40 and can be threaded connection or weld and be fixed together.
Pilot hole can comprise the first axial opening 21 extending vertically from its right end face of sleeve 20, the circumferential hole 22 of circumferentially extending from the end edge of the first axial opening 21 and towards its right end face of sleeve 20, extend and do not run through vertically the second axial opening 23 of this its right end face from the end in circumferential hole 22.In the process of taphole drilling machine drilling tool operation, first utilize union lever 30 that drilling rod 40 is connected to sleeve 20, particularly, fitting tab 31 is inserted in corresponding pilot hole.When carrying out bore operation, for example, with reference to Figure 1B, from the view on right side, sleeve 20 is rotated counterclockwise while carrying out drilling operation, revolving force and the suffered axle pressure of drilling rod 40 due to the drive shaft 10 of taphole drilling machine, the fitting tab 31 of union lever 30 is conflicted at the circumferential end in hole 22, that is, and lower-left end, that is to say, fitting tab 31 is inconsistent with left-hand face and the downside surface in the circumferential hole 22 of pilot hole.By the conflict power between fitting tab 31 and pilot hole, the relative position between union lever 30 and drilling rod 40 and sleeve 20 is fixed.When the not operation of taphole drilling machine drilling tool, fitting tab 31 is moveable in the second axial opening 23, now fitting tab 31 can not be along circumferential free movement, thereby guaranteed that drilling rod 40 and union lever 30 can not depart from sleeve 20 easily due to various unforeseen circumstancess, and when again starting taphole drilling machine drilling tool, the union lever 30 that is fixed with drilling rod 40 can not depart from sleeve 20 easily yet.
Fitting tab 31 can be the column of Arbitrary Shape Cross Section, and the width of pilot hole will guarantee fitting tab 31 free movement therein, and fitting tab 31 is inconsistent with left-hand face and the downside surface in the circumferential hole 22 of pilot hole when the operation of taphole drilling machine drilling tool.Alternatively, fitting tab 31 can be cylindrical or square column type, and can be provided with at the lower-left end in the circumferential hole 22 of the pilot hole of U-shaped and the low order end of the second axial opening 23 shape matching with fitting tab 31 cross-sectional shapes, to guarantee when the operation of taphole drilling machine drilling tool, fitting tab 31 can be embedded into the lower-left end in circumferential hole 22, and when the not operation of taphole drilling machine drilling tool, fitting tab 31 can be embedded in the second axial opening 23 or its low order end.
For the stability that guarantees to connect and guarantee sleeve 20 and union lever 30 stressed evenly, as long as can make sleeve 20 and union lever 30 strength of joint between the two when operation enough, the quantity of fitting tab 31 and pilot hole can be for a plurality of, and both quantity is consistent so that corresponding one by one, and distribution and the setting of each pilot hole on sleeve 20 should make each fitting tab 31 when bore operation all can substantially conflict in the end in circumferential hole 22, with the relative position between fixed connecting rod 30 and sleeve 20, guarantee normally carrying out of bore operation.Described a plurality of fitting tab 31 can be arranged on the same excircle of union lever 30 equably, the same axial positions of cardinal principle of one end that is arranged on sleeve 20 that pilot hole also matches with fitting tab 31.
Preferably, can be provided with two pilot holes and two fitting tabs 31.The position of offering of these two pilot holes can be radially relative, and meanwhile, fitting tab 31 is also radially relative.The offer mode of pilot hole on sleeve 20 is identical, makes the first axial opening 21 of a pilot hole radially relative with the first axial opening 21 of another pilot hole.In addition, the size of each pilot hole and fitting tab 31 can be not identical, as long as each pilot hole can cooperatively interact with fitting tab 31 separately.
The following describes the process that adopts the normal operation of above-mentioned taphole drilling machine drilling tool and not operation.
When the normal operation of taphole drilling machine drilling tool, due to taphole drilling machine drilling tool sense of rotation in the course of the work (, sleeve 20 circumferentially) identical along circumferential degree of freedom with fitting tab 31, therefore sleeve 20 drives union lever 30(to be fixed with drilling rod 40) rotation, and union lever 30 can be subject to axle pressure in the working process of taphole drilling machine drilling tool, so the fitting tab 31 of union lever 30 is inconsistent with left-hand face and the downside surface in circumferential hole 22, therefore, drilling rod 40 can freely not move in the pilot hole of U-shaped, thereby guaranteed the relative position between drilling rod 40 and the drive shaft 10 of taphole drilling machine.
Situation in the not operation of taphole drilling machine drilling tool mainly comprises the drilling rod 40 of taphole drilling machine drilling tool and the situation that taphole drilling machine drilling tool stops operating changed.When changing the drilling rod 40 of taphole drilling machine drilling tool, after treating that taphole drilling machine drilling tool stops operating, make drilling rod 40 separated with sleeve 20, that is, fitting tab 31 is shifted out from pilot hole.And then new drilling rod 40 is connected to sleeve 20 by union lever 30, and particularly, by fitting tab 31 successively motion in the first axial opening 21, circumferential hole 22, the second axial opening 23, until arrive the end of the second axial opening 23.When taphole drilling machine drilling tool stops operating, can fitting tab 31 be moved in the second axial opening 23 by applying external force, until the end that fitting tab 31 arrives the second axial opening 23 can not continue motion again.
The in the situation that of not operation of taphole drilling machine, the object that makes the fitting tab 31 of union lever 30 be positioned at the end of the second axial opening 23 is that the part degree of freedom of restriction fitting tab 31, has reduced the possibility that fitting tab 31 departs from from the pilot hole of U-shaped.In the moment of the drive shaft stall of taphole drilling machine, because union lever 30 is no longer subject to revolving force and axle pressure, so union lever 30 may continue to move in the circumferential direction certain angle.If after changing drilling rod 40 or after the drive shaft 10 of taphole drilling machine stops operating, fitting tab 31 moves in the first axial opening 21 and staff does not discover, in the process stopping operating at drive shaft so or in again starting the process of taphole drilling machine drilling tool, drilling rod 40 likely can depart from from sleeve 20, because drilling rod 40 is high speed rotating, so can cause safety problem or damage production unit.
By finding out description of the present utility model above, taphole drilling machine drilling tool of the present utility model can make drilling rod and the sleeve sharp separation of taphole drilling machine drilling tool, reduced and changed required time and the labor force of taphole drilling machine drilling tool, thereby avoided affecting normally carrying out of blast-furnace smelting metal operation because being difficult for changing taphole drilling machine drilling tool.Simultaneously, when the not operation of taphole drilling machine drilling tool, the fitting tab of union lever is positioned at the end of the second axial opening of the pilot hole of sleeve, therefore pilot hole has limited the partial dislocation of fitting tab, thereby this taphole drilling machine drilling tool can prevent that union lever from departing from from sleeve effectively, and then avoided because of loosening production problem and the safety problem causing that be connected between drilling rod and sleeve.
The above; it is only preferred implementation of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (6)
1. a taphole drilling machine drilling tool, comprise sleeve and drilling rod, it is characterized in that, between sleeve and drilling rod, be connected with union lever, union lever is fixedly connected with drilling rod, in the end being connected with union lever of sleeve, offer the pilot hole of U-shaped, described pilot hole comprises the first axial opening extending vertically from the end face of sleeve, from the end of the first axial opening, along the circumferential hole of circumferentially extending and from the end in circumferential hole, towards the end face of sleeve, extend and do not run through vertically the second axial opening of described end face, on the end being connected with sleeve of union lever, be radially provided with the fitting tab matching with described pilot hole, so that described fitting tab can be moved along described pilot hole.
2. taphole drilling machine drilling tool according to claim 1, is characterized in that, described pilot hole comprises a plurality of pilot holes, and the quantity of described fitting tab and the quantity of described pilot hole corresponding.
3. taphole drilling machine drilling tool according to claim 2, is characterized in that, comprises two radially relative pilot hole and two fitting tabs that match with described two pilot holes respectively each other.
4. according to the taphole drilling machine drilling tool described in claim 2 or 3, it is characterized in that, described fitting tab have can be in pilot hole free-moving Arbitrary Shape Cross Section.
5. according to the taphole drilling machine drilling tool described in claims 1 to 3 any one, it is characterized in that, when the operation of taphole drilling machine drilling tool, fitting tab is conflicted in the end in circumferential hole, when the not operation of taphole drilling machine drilling tool, it is separated with sleeve to prevent union lever that fitting tab is positioned at the second axial opening.
6. taphole drilling machine drilling tool according to claim 1, is characterized in that, is also axially provided with installation projection on the end face of union lever, and drilling rod is fixed by described installation projection and union lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164208.2U CN203782165U (en) | 2014-04-04 | 2014-04-04 | Tapping machine drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164208.2U CN203782165U (en) | 2014-04-04 | 2014-04-04 | Tapping machine drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203782165U true CN203782165U (en) | 2014-08-20 |
Family
ID=51318371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164208.2U Expired - Lifetime CN203782165U (en) | 2014-04-04 | 2014-04-04 | Tapping machine drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203782165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342534A (en) * | 2018-05-16 | 2018-07-31 | 攀钢集团西昌钢钒有限公司 | A method of avoid blast furnace taphole from burning |
-
2014
- 2014-04-04 CN CN201420164208.2U patent/CN203782165U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342534A (en) * | 2018-05-16 | 2018-07-31 | 攀钢集团西昌钢钒有限公司 | A method of avoid blast furnace taphole from burning |
| CN108342534B (en) * | 2018-05-16 | 2019-11-22 | 攀钢集团西昌钢钒有限公司 | A method of avoid blast furnace taphole from burning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |